22031120212 has 24 divisors (see below), whose sum is σ = 38903784192. Its totient is φ = 10916203200.

The previous prime is 22031120201. The next prime is 22031120249. The reversal of 22031120212 is 21202113022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140637 + ... + 252667.

It is an arithmetic number, because the mean of its divisors is an integer number (1620991008).

Almost surely, 2^22031120212 is an apocalyptic number.

It is an amenable number.

22031120212 is a deficient number, since it is larger than the sum of its proper divisors (16872663980).

22031120212 is a wasteful number, since it uses less digits than its factorization.

22031120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112479 (or 112477 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22031120212 its reverse (21202113022), we get a palindrome (43233233234).

The spelling of 22031120212 in words is "twenty-two billion, thirty-one million, one hundred twenty thousand, two hundred twelve".